#include <iostream>
#include <vector>
#include <iomanip>
using namespace std;

int main()
{
        int f = int();
        pair<int, int> a, b;
        pair<double, double> c, d;
        cout << setprecision(2) << setiosflags(ios::fixed);
        cout << 3.244    << endl;
        return 0;
}